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The J800 6I8804 / 6I-8804 Weld-On Adapter is a critical, heavy-duty connecting component engineered by GETPLUS exclusively for the CAT 390 excavator. As a core part of the excavator’s bucket system, this adapter serves as the permanent link between the CAT 390’s bucket structure and replaceable bucket tips—enabling secure, high-strength attachment of specialized tips for tasks like heavy-duty loading, abrasion-resistant digging, and deep penetration.
J800
6I8804 6I-8804
WELD-ON ADAPTER
117.6KG
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| SIZE | PART NO. | DESCRIPTION | ADAPTER | PIN | RETAINER |
| J800 | 6I-8802 | HEAVY DUTY LOADER BUCKET TIP | 6I-8804 | 134-1808 | 134-1809 |
| 6I-8803 | HEAVY ABRASION LOADER BUCKET TIP | ||||
| 135-9800 | HEAVY PENETRATION LOADER BUCKET TIP | ||||
| 117-6809 | PENETRATION EXCAVATOR BUCKET TIP | ||||
| 117-6802 | ARM HEAVY DUTY LONG |
With a robust weight of 117.6KG, the adapter is built to withstand the extreme forces of heavy excavation, including constant impact, torque, and tension from lifting dense materials like rock, coal, and concrete. Unlike generic adapters that may fail under stress, the J800 6I8804 / 6I-8804 features a weld-on design that creates a permanent, seamless bond with the CAT 390’s bucket, eliminating loosening or shifting during operation. It is also compatible with a range of GETPLUS bucket tips (such as the 6I-8802 Heavy Duty Tip and 135-9800 Heavy Penetration Tip), making it a versatile foundation for customizing the CAT 390’s performance to specific job site needs. Whether used in construction, mining, or quarrying, this adapter ensures long-term reliability, reducing downtime from adapter failure and tip detachment.
Parameter | Detail |
SIZE | J800 |
PART NO. | 6I8804, 6I-8804 (primary); 6I8804-B100 (variant) |
DESCRIPTION | WELD-ON ADAPTER (for excavator bucket tip connection) |
WEIGHT | 117.6KG |
Brand | GETPLUS |
Applicable Machine | CAT 390 Excavator |
The J800 6I8804 / 6I-8804 Adapter is designed to work with specific GETPLUS bucket tips and securing components, ensuring optimal performance and safety. The full compatibility matrix is shown below:
SIZE | Bucket Tip Part No. | Bucket Tip Description | Matching Adapter (This Product) | Matching PIN | Matching RETAINER |
J800 | 6I-8802 | HEAVY DUTY LOADER BUCKET TIP | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
J800 | 6I-8803 | HEAVY ABRASION LOADER BUCKET TIP | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
J800 | 135-9800 | HEAVY PENETRATION LOADER BUCKET TIP | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
J800 | 117-6809 | PENETRATION EXCAVATOR BUCKET TIP | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
J800 | 117-6802 | ARM HEAVY DUTY LONG (auxiliary component) | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
· Base Material: High-strength low-alloy (HSLA) steel, selected for its exceptional weldability, impact resistance, and tensile strength—critical for withstanding the stress of weld-on installation and heavy loads.
· Weld Preparation: Pre-machined weld grooves on the adapter’s mounting surface, ensuring full penetration during welding and a permanent bond with the CAT 390’s bucket.
· Surface Treatment: A corrosion-resistant primer coating, protecting the adapter from rust in damp environments (e.g., construction sites, mining pits) before and after welding.
The J800 6I8804 / 6I-8804 Adapter is forged from premium HSLA steel, a material that balances high strength with ductility. Its 117.6KG weight is a deliberate design choice—providing the mass needed to absorb shock from tip impacts and distribute load evenly across the CAT 390’s bucket. Unlike lightweight adapters that bend or crack under heavy use, this model maintains structural integrity even when paired with the heaviest bucket tips (e.g., the 80KG 6I-8802 Heavy Duty Tip) and lifting dense materials like iron ore or concrete.
The adapter’s weld-on configuration creates a non-removable bond with the CAT 390’s bucket, eliminating the risk of loosening or detachment that plagues bolt-on adapters. The pre-machined weld grooves ensure the adapter fuses fully with the bucket’s steel structure, creating a single, rigid unit that can withstand up to 500MPa of tensile force—more than enough for the CAT 390’s maximum lifting capacity. This stability is critical for high-intensity tasks like mining or quarrying, where adapter failure could lead to costly equipment damage or safety hazards.
A key advantage of the J800 6I8804 / 6I-8804 Adapter is its compatibility with five distinct GETPLUS bucket tips (see the Compatible Bucket Tips table above). This flexibility allows CAT 390 operators to switch between tips based on job requirements:
· Use the 6I-8803 Heavy Abrasion Tip for sand or gravel quarries.
· Swap to the 135-9800 Heavy Penetration Tip for rock excavation.
· Choose the 6I-8802 Heavy Duty Tip for general construction loading.
No modifications to the adapter are needed—simply remove the old tip (using the 134-1808 pin and 134-1809 retainer) and install the new one, saving time and reducing downtime.
The adapter’s HSLA steel core is coated with a rust-inhibiting primer, which protects it from moisture, coal dust, and chemical exposure in harsh environments. Additionally, the adapter’s surface is heat-treated to resist wear from constant contact with bucket tips and debris. This combination of corrosion and wear resistance extends the adapter’s service life to 3–5 years (depending on usage), far longer than uncoated or low-grade steel adapters.
The J800 6I8804 / 6I-8804 Weld-On Adapter is an essential component for CAT 390 operators in industries where reliable bucket tip attachment is critical to productivity. Its applications span sectors that demand heavy-duty performance and flexibility:
In underground or open-pit mining, the adapter serves as the foundation for attaching 135-9800 Heavy Penetration Tips (for ore breaking) or 6I-8802 Heavy Duty Tips (for ore loading). Its weld-on stability ensures the tip stays securely attached during the repetitive, high-impact task of extracting coal, iron ore, or copper—preventing costly delays from tip detachment. The adapter’s corrosion resistance also stands up to damp mining environments, avoiding rust-related weakening.
Quarries producing crushed stone, sand, or gravel rely on the adapter to pair with 6I-8803 Heavy Abrasion Tips, which resist wear from abrasive aggregate materials. The adapter’s HSLA steel construction handles the constant stress of digging into rock formations, while its compatibility with multiple tips allows quarries to switch between excavation and loading tasks without changing the adapter. For CAT 390 operators, this means seamless workflow and higher daily aggregate output.
In large-scale construction (e.g., skyscraper foundations, bridge building), the adapter is used with 117-6809 Penetration Excavator Tips to dig through compacted soil and rock. Its permanent weld-on bond ensures the tip maintains precision during deep excavation, critical for meeting foundation depth requirements. The adapter also pairs with 117-6802 Heavy Duty Long Arms (auxiliary components) for extended reach tasks, such as placing concrete blocks or clearing debris.
Road and highway projects use the adapter to attach 6I-8802 Heavy Duty Tips for loading asphalt, gravel, and construction debris. Its robust design withstands the heavy loads of road base materials, while its compatibility with the CAT 390 ensures the machine can handle the demands of daily road construction—from digging trenches for utilities to leveling terrain for pavement. The adapter’s long service life also reduces maintenance costs for infrastructure contractors.
No, the adapter is specifically engineered for the CAT 390 excavator. Its size (J800), weld-on dimensions, and load capacity are calibrated exclusively to match the CAT 390’s bucket structure and lifting capabilities. Using it with other excavator models (e.g., CAT 385, CAT 395) will result in poor fit, unstable welds, or adapter failure—risking damage to the bucket or tip. For adapters compatible with other machines, contact GETPLUS customer support.
All three part numbers refer to the same J800-sized Weld-On Adapter for the CAT 390—the differences are minor and relate to manufacturing batches or regional labeling:
· 6I8804 / 6I-8804: The primary, interchangeable part numbers (the hyphen is a formatting variation).
· 6I8804-B100: A regional variant with a thicker primer coating for use in extremely damp environments (e.g., coastal construction sites, underground mines with high moisture).
Functionally, all three are identical—choose 6I8804-B100 only if your operations involve prolonged exposure to water or humidity.
Yes, professional welding is required. The adapter’s weld-on design demands full penetration welding to ensure a secure bond with the CAT 390’s bucket—this requires a certified welder with experience working with HSLA steel. GETPLUS recommends following these guidelines:
· Use a MIG or TIG welding process (shielded metal arc welding is not recommended).
· Maintain a weld temperature of 220–250°C to avoid weakening the adapter’s steel.
· Allow the weld to cool slowly (avoid quenching) to prevent cracking.
| SIZE | PART NO. | DESCRIPTION | ADAPTER | PIN | RETAINER |
| J800 | 6I-8802 | HEAVY DUTY LOADER BUCKET TIP | 6I-8804 | 134-1808 | 134-1809 |
| 6I-8803 | HEAVY ABRASION LOADER BUCKET TIP | ||||
| 135-9800 | HEAVY PENETRATION LOADER BUCKET TIP | ||||
| 117-6809 | PENETRATION EXCAVATOR BUCKET TIP | ||||
| 117-6802 | ARM HEAVY DUTY LONG |
With a robust weight of 117.6KG, the adapter is built to withstand the extreme forces of heavy excavation, including constant impact, torque, and tension from lifting dense materials like rock, coal, and concrete. Unlike generic adapters that may fail under stress, the J800 6I8804 / 6I-8804 features a weld-on design that creates a permanent, seamless bond with the CAT 390’s bucket, eliminating loosening or shifting during operation. It is also compatible with a range of GETPLUS bucket tips (such as the 6I-8802 Heavy Duty Tip and 135-9800 Heavy Penetration Tip), making it a versatile foundation for customizing the CAT 390’s performance to specific job site needs. Whether used in construction, mining, or quarrying, this adapter ensures long-term reliability, reducing downtime from adapter failure and tip detachment.
Parameter | Detail |
SIZE | J800 |
PART NO. | 6I8804, 6I-8804 (primary); 6I8804-B100 (variant) |
DESCRIPTION | WELD-ON ADAPTER (for excavator bucket tip connection) |
WEIGHT | 117.6KG |
Brand | GETPLUS |
Applicable Machine | CAT 390 Excavator |
The J800 6I8804 / 6I-8804 Adapter is designed to work with specific GETPLUS bucket tips and securing components, ensuring optimal performance and safety. The full compatibility matrix is shown below:
SIZE | Bucket Tip Part No. | Bucket Tip Description | Matching Adapter (This Product) | Matching PIN | Matching RETAINER |
J800 | 6I-8802 | HEAVY DUTY LOADER BUCKET TIP | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
J800 | 6I-8803 | HEAVY ABRASION LOADER BUCKET TIP | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
J800 | 135-9800 | HEAVY PENETRATION LOADER BUCKET TIP | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
J800 | 117-6809 | PENETRATION EXCAVATOR BUCKET TIP | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
J800 | 117-6802 | ARM HEAVY DUTY LONG (auxiliary component) | 6I-8804 (J800 6I8804) | 134-1808 | 134-1809 |
· Base Material: High-strength low-alloy (HSLA) steel, selected for its exceptional weldability, impact resistance, and tensile strength—critical for withstanding the stress of weld-on installation and heavy loads.
· Weld Preparation: Pre-machined weld grooves on the adapter’s mounting surface, ensuring full penetration during welding and a permanent bond with the CAT 390’s bucket.
· Surface Treatment: A corrosion-resistant primer coating, protecting the adapter from rust in damp environments (e.g., construction sites, mining pits) before and after welding.
The J800 6I8804 / 6I-8804 Adapter is forged from premium HSLA steel, a material that balances high strength with ductility. Its 117.6KG weight is a deliberate design choice—providing the mass needed to absorb shock from tip impacts and distribute load evenly across the CAT 390’s bucket. Unlike lightweight adapters that bend or crack under heavy use, this model maintains structural integrity even when paired with the heaviest bucket tips (e.g., the 80KG 6I-8802 Heavy Duty Tip) and lifting dense materials like iron ore or concrete.
The adapter’s weld-on configuration creates a non-removable bond with the CAT 390’s bucket, eliminating the risk of loosening or detachment that plagues bolt-on adapters. The pre-machined weld grooves ensure the adapter fuses fully with the bucket’s steel structure, creating a single, rigid unit that can withstand up to 500MPa of tensile force—more than enough for the CAT 390’s maximum lifting capacity. This stability is critical for high-intensity tasks like mining or quarrying, where adapter failure could lead to costly equipment damage or safety hazards.
A key advantage of the J800 6I8804 / 6I-8804 Adapter is its compatibility with five distinct GETPLUS bucket tips (see the Compatible Bucket Tips table above). This flexibility allows CAT 390 operators to switch between tips based on job requirements:
· Use the 6I-8803 Heavy Abrasion Tip for sand or gravel quarries.
· Swap to the 135-9800 Heavy Penetration Tip for rock excavation.
· Choose the 6I-8802 Heavy Duty Tip for general construction loading.
No modifications to the adapter are needed—simply remove the old tip (using the 134-1808 pin and 134-1809 retainer) and install the new one, saving time and reducing downtime.
The adapter’s HSLA steel core is coated with a rust-inhibiting primer, which protects it from moisture, coal dust, and chemical exposure in harsh environments. Additionally, the adapter’s surface is heat-treated to resist wear from constant contact with bucket tips and debris. This combination of corrosion and wear resistance extends the adapter’s service life to 3–5 years (depending on usage), far longer than uncoated or low-grade steel adapters.
The J800 6I8804 / 6I-8804 Weld-On Adapter is an essential component for CAT 390 operators in industries where reliable bucket tip attachment is critical to productivity. Its applications span sectors that demand heavy-duty performance and flexibility:
In underground or open-pit mining, the adapter serves as the foundation for attaching 135-9800 Heavy Penetration Tips (for ore breaking) or 6I-8802 Heavy Duty Tips (for ore loading). Its weld-on stability ensures the tip stays securely attached during the repetitive, high-impact task of extracting coal, iron ore, or copper—preventing costly delays from tip detachment. The adapter’s corrosion resistance also stands up to damp mining environments, avoiding rust-related weakening.
Quarries producing crushed stone, sand, or gravel rely on the adapter to pair with 6I-8803 Heavy Abrasion Tips, which resist wear from abrasive aggregate materials. The adapter’s HSLA steel construction handles the constant stress of digging into rock formations, while its compatibility with multiple tips allows quarries to switch between excavation and loading tasks without changing the adapter. For CAT 390 operators, this means seamless workflow and higher daily aggregate output.
In large-scale construction (e.g., skyscraper foundations, bridge building), the adapter is used with 117-6809 Penetration Excavator Tips to dig through compacted soil and rock. Its permanent weld-on bond ensures the tip maintains precision during deep excavation, critical for meeting foundation depth requirements. The adapter also pairs with 117-6802 Heavy Duty Long Arms (auxiliary components) for extended reach tasks, such as placing concrete blocks or clearing debris.
Road and highway projects use the adapter to attach 6I-8802 Heavy Duty Tips for loading asphalt, gravel, and construction debris. Its robust design withstands the heavy loads of road base materials, while its compatibility with the CAT 390 ensures the machine can handle the demands of daily road construction—from digging trenches for utilities to leveling terrain for pavement. The adapter’s long service life also reduces maintenance costs for infrastructure contractors.
No, the adapter is specifically engineered for the CAT 390 excavator. Its size (J800), weld-on dimensions, and load capacity are calibrated exclusively to match the CAT 390’s bucket structure and lifting capabilities. Using it with other excavator models (e.g., CAT 385, CAT 395) will result in poor fit, unstable welds, or adapter failure—risking damage to the bucket or tip. For adapters compatible with other machines, contact GETPLUS customer support.
All three part numbers refer to the same J800-sized Weld-On Adapter for the CAT 390—the differences are minor and relate to manufacturing batches or regional labeling:
· 6I8804 / 6I-8804: The primary, interchangeable part numbers (the hyphen is a formatting variation).
· 6I8804-B100: A regional variant with a thicker primer coating for use in extremely damp environments (e.g., coastal construction sites, underground mines with high moisture).
Functionally, all three are identical—choose 6I8804-B100 only if your operations involve prolonged exposure to water or humidity.
Yes, professional welding is required. The adapter’s weld-on design demands full penetration welding to ensure a secure bond with the CAT 390’s bucket—this requires a certified welder with experience working with HSLA steel. GETPLUS recommends following these guidelines:
· Use a MIG or TIG welding process (shielded metal arc welding is not recommended).
· Maintain a weld temperature of 220–250°C to avoid weakening the adapter’s steel.
· Allow the weld to cool slowly (avoid quenching) to prevent cracking.
HUBEI WANXIN PRECISION CASTING&FORING INC.
HUBEI PLUS IMPORT&EXPORT TRADING CO.,LTD.
NO.4 GROUP,YAOPONAO VILLAGE,HONGHUATAO TOWN,
YIDU CITY,HUBEI PROVINCE,CHINA.
Allen Wan allen@hubeiplus.com
